diff --git a/src/main/java/com/mobai/MqttApplicationListener.java b/src/main/java/com/mobai/MqttApplicationListener.java
new file mode 100644
index 0000000..64cde04
--- /dev/null
+++ b/src/main/java/com/mobai/MqttApplicationListener.java
@@ -0,0 +1,15 @@
+package com.mobai;
+
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextClosedEvent;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MqttApplicationListener implements ApplicationListener<ContextClosedEvent> {
+
+    @Override
+    public void onApplicationEvent(ContextClosedEvent event) {
+
+        System.out.println("下线前执行了");;
+    }
+}
diff --git a/src/main/java/com/mobai/kafka/KafkaPCUtils.java b/src/main/java/com/mobai/kafka/KafkaPCUtils.java
index fb7454c..1aeca98 100644
--- a/src/main/java/com/mobai/kafka/KafkaPCUtils.java
+++ b/src/main/java/com/mobai/kafka/KafkaPCUtils.java
@@ -20,10 +20,7 @@ import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.stereotype.Service;
 
 import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Properties;
+import java.util.*;
 
 /**
  * 生产者/消费者
@@ -71,7 +68,12 @@ public class KafkaPCUtils {
                 vin.getBytes(),
                 vehicleString,
                 vehicleString.getBytes(),
-                new Cluster("iYl5vA6ESGaoH5veXYGroQ", list, partitionInfos, null, null)
+                new Cluster(
+                        "iYl5vA6ESGaoH5veXYGroQ",
+                        list,
+                        partitionInfos,
+                        new HashSet<String>() {},
+                        new HashSet<>())
         );
         log.info("当前获取分区：[{}]",partition);
         // 创建消息  主题  key  分区  值